80442955 has 8 divisors (see below), whose sum is σ = 99860400. Its totient is φ = 62135136.

The previous prime is 80442907. The next prime is 80442959. The reversal of 80442955 is 55924408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80442955 - 2²¹ = 78345803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80442959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277245 + ... + 277534.

It is an arithmetic number, because the mean of its divisors is an integer number (12482550).

Almost surely, 2^80442955 is an apocalyptic number.

80442955 is a deficient number, since it is larger than the sum of its proper divisors (19417445).

80442955 is a wasteful number, since it uses less digits than its factorization.

80442955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554813.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80442955 is about 8968.9996655145. Note that the first 3 decimals coincide. The cubic root of 80442955 is about 431.6807394096.

The spelling of 80442955 in words is "eighty million, four hundred forty-two thousand, nine hundred fifty-five".